sir my question is -for lubrication we use oils but not water.i know that oil reduces friction but sir why water doesnot.

Asked by architsrivastava02 | 3rd Mar, 2011, 02:26: AM

Expert Answer:

Dear student
Lubricants need to be liquids of high viscosity. Oils are more viscous than water. Hence they are preferred so as to reduce friction in machine parts.

Answered by  | 2nd Mar, 2011, 11:11: PM

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